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1. Structure and Function

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

What organelle controls all cellular activity

a)

mitochondria

b)

nucleus

c)

chloroplast

d)

plasma membrane

2.

What is the function of the plasma membrane?

a)

controlling all cellular activity

b)

photosynthesis

c)

cellular respiration

d)

transport in and out of the cell

3.

What organelle is made of cellulose?

a)

cell wall

b)

plasma membrane

c)

chloroplast

d)

ribosome

4.

aerobic cellular respiration is the function of the

a)

chloroplast

b)

mitochondria

c)

ribosome

d)

vacuole

5.

What organelle do euglena use to make glucose via photosynthesis?

a)

ribosomes

b)

mitochondria

c)

vacuole

d)

chloroplasts

6.

Which organelle makes proteins and enzymes? The process is called protein synthesis or enzyme synthesis.

a)

ribosomes

b)

chloroplasts

c)

mitochondria

d)

vacuole

7.

Storage of food, water, and waste in a eukaryotic cell is accomplished by what organelle?

a)

chloroplast

b)

plasma membrane

c)

mitochondria

d)

vacuole

8.

Which organelle is made of phospholipids and proteins?

a)

plasma membrane

b)

cell wall

c)

vacuole

d)

mitochondria

9.

Which 2 organelles have their own DNA that is similar to prokaryotic DNA?

a)

plasma membrane and chloroplast

b)

vacuole and ribosome

c)

ribosome and mitochondria

d)

mitochondria and chloroplast

10.

What do prokaryotic and eukaryotic cells have in common?

a)

chloroplasts

b)

vacuoles and plasma membrane

c)

ribosomes and plasma membrane

d)

mitochondria and ribosomes

11.

Which type of cell has circular DNA?

a)

prokaryotic cells or bacteria

b)

eukaryotic cells

c)

plant cells

d)

animal cells

12.

Pro has no

a)

nucleus or membrane bound organelles

b)

nucleus or ribosomes

c)

DNA

d)

cell wall or cell membrane

13.

Is all DNA in an organism the same?

a)

yes

b)

no

14.

If all DNA in an organism is the same, why do we have cells that are so different?

a)

some DNA is activated and other is not, making different cells

b)

environmental affects change our DNA

c)

enzymes act on our cells changing the DNA

d)

that's just the way things are

15.

Why is the inner surface (membrane) of the mitochondria folded?

a)

to provide more carbon dioxide

b)

to provide more surface area for more respiration

c)

to provide more water for respiration

d)

to make less oxygen

16.

What makes energy in the form of ATP?

a)

mitochondria

b)

chloroplast

c)

ribosome

d)

nucleus

17.

What organelles do plant cells have that animal cells do not have.

a)

mitochondria and chloroplasts

b)

nucleus and ribosomes

c)

chloroplasts and cell wall

d)

plasma membrane and cytoplasm

18.

The only type of prokaryotic cell is

a)

virus cells

b)

plant cells

c)

animal cells

d)

bacteria cells

19.

DNA and RNA are found in both prokaryotic and eukaryotic cells but the difference is

a)

in a prokaryotic cell, they are enclosed in a membrane

b)

in a eukaryotic cell, they are enclosed in a membrane

20.

Circular DNA, called plasmids, are only found in

a)

prokaryotic cells

b)

eukaryotic cells

c)

plant cells

d)

animal cells

21.

Which cells are smaller and simpler?

a)

plant

b)

animal

c)

bacteria

d)

virus

22.

What cell carries electrical impulses used to communicate with other cells and organs?

a)

red blood cell

b)

white blood cell

c)

nerve cell

d)

sperm cell

23.

Which cell contains hemoglobin and carries oxygen to all other cells in the body?

a)

red blood cell

b)

white blood cells

c)

nerve cell

d)

sperm cell

24.

Once a cell is differentiated, can it return to a nondifferentiated state by itself?

a)

yes

b)

no

25.

Undifferentiated cells are called

a)

new cells

b)

specialized cells

c)

embryonic cells

d)

stem cells

26.

Which 2 body systems maintain homeostasis in an organism?

a)

nervous and digestive

b)

digestive and endocrine

c)

digestive and circulatory

d)

nervous and endocrine

27.

Shivering when you are cold, sweating when you are hot, a dog panting when it is hot, migration, hibernation, and estivation are all examples of bodies maintaining....

a)

homeostasis

b)

specialty

c)

diffusion

d)

interphase

28.

Buffers help an organism by

a)

regulating pH; maintaining homeostasis

b)

regulating blood sugar; maintaining homeostasis

c)

maintaining osmotic pressure

d)

helping keep an organism at a high pH

29.

Transport across a semi permeable membrane from high to low concentration is

a)

passive transport

b)

active transport

30.

If a cell is using energy, substance is moving against a gradient to maintain an imbalance from a low concentration to a high concentration, what is happening?

a)

active transport

b)

passive transport

c)

osmosis

d)

diffusion

31.

The movement of water from high to low concentration is called

a)

diffusion

b)

active transport

c)

osmosis

32.

which part of the cell or plasma membrane is in a bi-layer?

a)

proteins

b)

phospholipids

c)

markers

d)

water

33.

The part of the plasma membrane that acts as a door to let larger things in and out of the cell is called a

a)

phospholipid

b)

protein

c)

marker

d)

enzyme

34.

Flagella in the Euglena, cilia in the Paramecium and the pseudopodia in the Amoeba are all used for

a)

gathering food

b)

making food

c)

moving to gather food

d)

making protein

35.

Why does a Euglena have an eyespot?

a)

to find the sunlight

b)

to make food

c)

to see where the food is

d)

to photosynthesize

36.

What structure do all unicellular organisms have that help maintain water balance?

a)

vacuoles

b)

chloroplasts

c)

pseudopodia

d)

contractile vacuoles

37.

Nuclei are only found in

a)

eukaryotic cells

b)

bacteria cells

c)

prokaryotic cells

d)

plant cells

38.

the asexual reproduction of body cells is called

a)

mitosis

b)

meiosis

c)

binary fission

d)

vegetative propagation

39.

All unicellular organisms and all bacteria (Monera) reproduce by

a)

mitosis

b)

binary fission

c)

vegetative propagation

d)

fragmentation

40.

If an organism has chloroplasts, a flagella, an eyespot and a cell wall, it is a

a)

protist

b)

plant cell

c)

animal cell

d)

bacteria

41.

Which tissue will have the most mitochondria?

a)

cardiac tissue

b)

muscle tissue

c)

fat

d)

skin

42.

What plant part serves the same function as our lung or the fishes gills?

a)

cell wall

b)

plasma membrane

c)

chloroplast

d)

stomata

43.

Which cells can carry out both photosynthesis and respiration?

a)

plant cells

b)

animal cells

c)

bacteria

d)

paramecium

44.

If a cell is placed in a saline solution, what will happen to it?

a)

it will swell

b)

it will shrink

c)

it will burst

45.

If an 80% glucose solution contains a semi-permeable bag with 80% glucose solution, what will happen to the bag?

a)

water will go in and out and there is no change in the bag

b)

water will leave the bag and it will shrink

c)

water will enter the bag and it will swell

46.

When an enzyme gets too hot

a)

the active site denatures and it quits working

b)

it works faster

c)

it works slowly

47.

A lipase will not work on a protein, why?

a)

they are active site shape specific

b)

a lipase works at a higher pH

c)

a protein is not able to be broken down

48.

Which organic molecule is used for quick and daily energy?

a)

carb

b)

lipid

c)

protein

d)

nucleic acid

49.

Which organic molecule is used by whales when they migrate, or by polar bears to stay warm?

a)

carb

b)

lipid

c)

protein

d)

nucleic acid

50.

Enzymes are which type of organic molecules?

a)

carb

b)

lipid

c)

protein

d)

nucleic acid